Tonneau cover



FIG. 1 is a perspective view of a tonneau cover;

FIG. 2 is a top view of the tonneau cover of FIG. 1;

FIG. 3 is a front view of the tonneau cover of FIG. 1;

FIG. 4 is a rear view of the tonneau cover of FIG. 1;

FIG. 5 is a right-hand view of the tonneau cover of FIG. 1;

FIG. 6 is a left-hand view of the tonneau cover of FIG. 1; and,

FIG. 7 is a bottom view of the tonneau cover of FIG. 1.

The broken lines shown in these drawings are for purposes of illustrating portions of the tonneau cover and form no part of the claimed design. 

CLAIM An ornamental design for a tonneau cover, as shown and described. 